Solve the system of equations 3y+2z=12 and y-z=9

Grace cut 3 pieces of ribbon; each piece was 2/5 of a foot long. How many feet of ribbon does she have in all?

It take audrey 3/5 hour to paint 2/5 sqare yards of wood to be used for making shevels. how many sqare yards can she paint in 1 hour. as a fraction in sumplest

The ratio of Isabella's money to Shane is 3:11 If she has $33, how much do they have together?

The rectangle shown has a perimeter of 54 cm and the given area. It's length is 3 more than 5 times it's width. Write and some a system of equations to find the dimensions of the rectangle

At chestatee middle school, 120 students are in choir. The ratio of girls to boys in the choir is 5:3. How many of each boys and girls are in the choir?

You have 51 dollar bills for five dollar bills six $10 bill and three $20 bills in your wallet. you select a bill at random. without replacing the bill, you chose a second bill. what is p

Christian sold tickets to game. Good seats were $5 each poor seats cost $2 each. 210 people attended and paid $660. Write a system of linear equations that can be used to find how many good seats and how many poor seats were sold.

Mrs Baker is preparing her students for their exams. The exams are two weeks away. Mrs Baker advises her students to spend 25% of each day revising.

Which number produces a rational number when multiplied by 1/3

What is the constant of 6y=8x?